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Other Assets - Additional Information (Detail) - CAD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Disclosure of investments held for self insured liabilities maturity of bond portfolio at fair value [line items] |  |
Changes in provisions and indemnification assets | $ 1.8 | $ 0.2
Bottom of range [member] |  |
Disclosure of investments held for self insured liabilities maturity of bond portfolio at fair value [line items] |  |
Bonds interest rate | 0.75% | 0.75%
Top of range [member] |  |
Disclosure of investments held for self insured liabilities maturity of bond portfolio at fair value [line items] |  |
Bonds interest rate | 5.15% | 5.15%

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- Definition Increase in provisions and indemnification assets. + References No definition available. + Details
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- Details
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- Details
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